メタデータ名 G20493217521
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.4375000 33.7166667, 135.4437500 33.7166667, 135.4437500 33.7208334, 135.4375000 33.7208334, 135.4375000 33.7166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral